This update resolves the "Service Control Manager Named Pipe Impersonation" security vulnerability in Windows 2000 and is discussed in Microsoft Security Bulletin MS00-053. Download now to prevent a malicious user from creating or predicting pipes that allow impersonation of your specific user or LocalSystem privileges.
The Service Control Manager (SCM) is an administrative tool in Windows 2000 that allows system services like Server, Workstation, Alerter, ClipBook, and others to be created or modified. The SCM creates a named pipe for each service as it starts.
For more information about this vulnerability, read MS00-053.